<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<button id="bid">按钮1</button>
		<button class="bclass">按钮2</button>
		<button name="bname">按钮3</button>
		<button>按钮4</button>
		<button type="btype">按钮5</button>
		<button>按钮6</button>
	</body>
</html>
